Iterative Learning Control for Linear Discrete-Time Systems with Randomly Variable Input Trail Length

Yun-Shan Wei and Qing-Yuan Xu

Complexity, 2018, vol. 2018, 1-6

Abstract:

For linear discrete-time systems with randomly variable input trail length, a proportional- (P-) type iterative learning control (ILC) law is proposed. To tackle the randomly variable input trail length, a modified control input at the desirable trail length is introduced in the proposed ILC law. Under the assumption that the initial state fluctuates around the desired initial state with zero mean, the designed ILC scheme can drive the ILC tracking errors to zero at the desirable trail length in expectation sense. The designed ILC algorithm allows the trail length of control input which is different from system state and output at a specific iteration. In addition, the identical initial condition widely used in conventional ILC design is also mitigated. An example manifests the validity of the proposed ILC algorithm.

Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:hin:complx:2763210

DOI: 10.1155/2018/2763210

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